Nuclear Functions of TOR: Impact on Transcription and the Epigenome

The target of rapamycin (TOR) protein kinase is at the core of growth factor- and nutrient-dependent signaling pathways that are well-known for their regulation of metabolism, growth, and proliferation. However, TOR is also involved in the regulation of gene expression, genomic and epigenomic stabil...

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Main Authors: R. Nicholas Laribee, Ronit Weisman
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/11/6/641
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author R. Nicholas Laribee
Ronit Weisman
author_facet R. Nicholas Laribee
Ronit Weisman
author_sort R. Nicholas Laribee
collection DOAJ
description The target of rapamycin (TOR) protein kinase is at the core of growth factor- and nutrient-dependent signaling pathways that are well-known for their regulation of metabolism, growth, and proliferation. However, TOR is also involved in the regulation of gene expression, genomic and epigenomic stability. TOR affects nuclear functions indirectly through its activity in the cytoplasm, but also directly through active nuclear TOR pools. The mechanisms by which TOR regulates its nuclear functions are less well-understood compared with its cytoplasmic activities. TOR is an important pharmacological target for several diseases, including cancer, metabolic and neurological disorders. Thus, studies of the nuclear functions of TOR are important for our understanding of basic biological processes, as well as for clinical implications.
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spelling doaj.art-ec4363c0860948d3939b4d1bfe7380542023-11-20T03:25:46ZengMDPI AGGenes2073-44252020-06-0111664110.3390/genes11060641Nuclear Functions of TOR: Impact on Transcription and the EpigenomeR. Nicholas Laribee0Ronit Weisman1Department of Pathology and Laboratory Medicine, College of Medicine and Center for Cancer Research, University of Tennessee Health Science Center, 19 South Manassas, Cancer Research Building Rm 318, Memphis, TN 38163, USADepartment of Natural and Life Sciences, The Open University of Israel, University Road 1, Ra’anana 4353701, IsraelThe target of rapamycin (TOR) protein kinase is at the core of growth factor- and nutrient-dependent signaling pathways that are well-known for their regulation of metabolism, growth, and proliferation. However, TOR is also involved in the regulation of gene expression, genomic and epigenomic stability. TOR affects nuclear functions indirectly through its activity in the cytoplasm, but also directly through active nuclear TOR pools. The mechanisms by which TOR regulates its nuclear functions are less well-understood compared with its cytoplasmic activities. TOR is an important pharmacological target for several diseases, including cancer, metabolic and neurological disorders. Thus, studies of the nuclear functions of TOR are important for our understanding of basic biological processes, as well as for clinical implications.https://www.mdpi.com/2073-4425/11/6/641target of rapamycinTORC1TORC2epigeneticshistonesacetylation
spellingShingle R. Nicholas Laribee
Ronit Weisman
Nuclear Functions of TOR: Impact on Transcription and the Epigenome
Genes
target of rapamycin
TORC1
TORC2
epigenetics
histones
acetylation
title Nuclear Functions of TOR: Impact on Transcription and the Epigenome
title_full Nuclear Functions of TOR: Impact on Transcription and the Epigenome
title_fullStr Nuclear Functions of TOR: Impact on Transcription and the Epigenome
title_full_unstemmed Nuclear Functions of TOR: Impact on Transcription and the Epigenome
title_short Nuclear Functions of TOR: Impact on Transcription and the Epigenome
title_sort nuclear functions of tor impact on transcription and the epigenome
topic target of rapamycin
TORC1
TORC2
epigenetics
histones
acetylation
url https://www.mdpi.com/2073-4425/11/6/641
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